Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
F16H 3/52

comprising orbital spur gears

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion > using gears having orbital motion > Gearings having only two central gears, connected by orbital gears > with single orbital gears or pairs of rigidly-connected orbital gears > comprising orbital spur gears

CPC:

Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion (speed-changing or reversing mechanisms F16H59/00 - F16H63/00) > using gears having orbital motion > Gearings having only two central gears, connected by orbital gears (F16H3/68 - F16H3/78 take precedence) > with single orbital gears or pairs of rigidly-connected orbital gears > comprising orbital spur gears

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

Navigate with arrow keys, Enter to open

  • F16H 3/54 one of the central gears being internally toothed and the other externally toothed IPC+CPC Available in IPC and CPC
  • F16H 3/56 both central gears being sun gears IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class F16,2013–2023, worldwide · Source: EPO PATSTAT

  1. SCHAEFFLER TECHNOLOGIES & COMPANY DE 21,545
  2. ZAHNRADFABRIK FRIEDRICHSHAFEN DE 9,446
  3. TOYOTA MOTOR CORPORATION 7,215
  4. HYUNDAI MOTOR COMPANY KR 6,846
  5. ROBERT BOSCH DE 6,106
  6. NTN CORPORATION 5,305
  7. SKF SE 4,219
  8. KIA MOTORS CORPORATION KR 3,852
  9. NSK 3,850
  10. HONDA MOTOR COMPANY 3,639

Top Applicants (CPC)

Class F16,2013–2023, worldwide · Source: EPO PATSTAT

  1. SCHAEFFLER TECHNOLOGIES & COMPANY DE 22,817
  2. ZAHNRADFABRIK FRIEDRICHSHAFEN DE 10,523
  3. HYUNDAI MOTOR COMPANY KR 7,933
  4. ROBERT BOSCH DE 7,059
  5. KIA MOTORS CORPORATION KR 4,867
  6. SKF SE 4,729
  7. TOYOTA MOTOR CORPORATION JP 4,111
  8. FORD GLOBAL TECHNOLOGIES US 3,838
  9. GM GLOBAL TECHNOLOGY OPERATIONS US 3,575
  10. TOYOTA MOTOR CORPORATION 3,499